{"id":8551,"slug":"wasp-57-b","name":"WASP-57 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":223.8199788,"dec":-2.0576866,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":398.276,"vmag":12.913,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":22,"simbad_oid":6293770,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"WASP-57 b","host_object_id":2830025,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":["WASP-57b"],"measurements":[{"parameter":"eccentricity","value":0.059,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Faedi et al. 2013","ref_year":2013},{"parameter":"equilibrium_temperature","value":1338.0,"value_text":null,"unit":"K","err_plus":29.0,"err_minus":29.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth et al. 2015","ref_year":2015},{"parameter":"equilibrium_temperature","value":1251.0,"value_text":null,"unit":"K","err_plus":21.0,"err_minus":22.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Faedi et al. 2013","ref_year":2013},{"parameter":"equilibrium_temperature","value":1313.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2012},{"parameter":"mass","value":204.36469,"value_text":null,"unit":"M_earth","err_plus":17.79848,"err_minus":17.16282,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"mass","value":204.68252,"value_text":null,"unit":"M_earth","err_plus":19.70546,"err_minus":19.70546,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth et al. 2015","ref_year":2015},{"parameter":"mass","value":213.573,"value_text":null,"unit":"M_earth","err_plus":15.573,"err_minus":14.62,"band":null,"method":"Transit","source":"nasa-exo","reference":"Faedi et al. 2013","ref_year":2013},{"parameter":"orbital_period","value":2.838918,"value_text":null,"unit":"d","err_plus":4.9e-07,"err_minus":4.9e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":2.8389228,"value_text":null,"unit":"d","err_plus":2.1e-06,"err_minus":2.1e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ivshina &amp; Winn 2022","ref_year":2022},{"parameter":"orbital_period","value":2.838918,"value_text":null,"unit":"d","err_plus":6e-07,"err_minus":6e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":2.83891856,"value_text":null,"unit":"d","err_plus":8.1e-07,"err_minus":8.1e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":2.83891856,"value_text":null,"unit":"d","err_plus":8.1e-07,"err_minus":8.1e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth et al. 2015","ref_year":2015},{"parameter":"orbital_period","value":2.838971,"value_text":null,"unit":"d","err_plus":2e-06,"err_minus":2e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Faedi et al. 2013","ref_year":2013},{"parameter":"orbital_period","value":2.83862150637,"value_text":null,"unit":"d","err_plus":0.0002980548,"err_minus":0.0002980548,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2012},{"parameter":"radius","value":11.76945,"value_text":null,"unit":"R_earth","err_plus":0.582868,"err_minus":0.582868,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"radius","value":11.76945,"value_text":null,"unit":"R_earth","err_plus":0.594077,"err_minus":0.594077,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth et al. 2015","ref_year":2015},{"parameter":"radius","value":10.267,"value_text":null,"unit":"R_earth","err_plus":0.191,"err_minus":0.157,"band":null,"method":"Transit","source":"nasa-exo","reference":"Faedi et al. 2013","ref_year":2013},{"parameter":"radius","value":12.90077515,"value_text":null,"unit":"R_earth","err_plus":0.79183584,"err_minus":0.79183584,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2012},{"parameter":"semi_major_axis","value":0.03772,"value_text":null,"unit":"au","err_plus":0.00083,"err_minus":0.00089,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.03769,"value_text":null,"unit":"au","err_plus":0.00097,"err_minus":0.00097,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth et al. 2015","ref_year":2015},{"parameter":"semi_major_axis","value":0.0386,"value_text":null,"unit":"au","err_plus":0.0004,"err_minus":0.0004,"band":null,"method":"Transit","source":"nasa-exo","reference":"Faedi et al. 2013","ref_year":2013}],"orbit":null,"exoplanet":{"object_id":8551,"pl_name":"WASP-57 b","hostname":"WASP-57","sy_pnum":1,"disc_method":"Transit","disc_year":2012,"disc_facility":"SuperWASP","orbper_d":2.83891856,"orbsmax_au":0.03769,"rade":11.76945,"radj":1.05,"masse":204.68252,"massj":0.644,"dens_gcm3":0.693,"eccen":0.0,"insol":702.385,"eqt_k":1338.0,"st_teff":5600.0,"st_rad":0.927,"st_mass":0.886,"st_spectype":"G6","sy_dist_pc":398.276,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}